"Joe Gwinn" wrote in message
...

Propane boils at -42 C at atmospheric pressure.

Joe Gwinn

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I checked the weather on Spitzbergen to see if the experiment could be done
at ambient temperature there.
https://www.accuweather.com/en/sj/lo...orecast/310461

Funny, New England USA was that cold over the weekend, and we are at the
latitude of Spain.
https://brilliantmaps.com/cities-transposed-latitude/